Home / 39,740.10-59,555.88-20,031.99

Finding the Fourth Proportional to 39,740.10, 59,555.88 and 20,031.99

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Solution

The fourth proportional to 39,740.10, 59,555.88 and 20,031.99 is: 30,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,740.10 : 59,555.88 = 20,031.99 : x
  2. Step 2: Convert to fraction form
    39,740.10/59,555.88 = 20,031.99/x
  3. Step 3: Cross multiply
    39,740.10x = 59,555.88 × 20,031.99
  4. Step 4: Simplify right side
    39,740.10x = 1,193,022,792.60
  5. Step 5: Solve for x
    x = 1,193,022,792.60/39,740.10
  6. Step 6: Final answer
    x = 30,020.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.